Ulmal
尤尔马尔高强度铝镁合金
🗣️ 情景例句
You can put it that way.
你可以那样说。
Never trust of fine words.
切勿轻信漂亮的言词。
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，